bpo-33674: asyncio: Fix SSLProtocol race (GH-7175)
Fix a race condition in SSLProtocol.connection_made() of asyncio.sslproto: start immediately the handshake instead of using call_soon(). Previously, data_received() could be called before the handshake started, causing the handshake to hang or fail.
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@ -592,10 +592,10 @@ class SSLProtocol(protocols.Protocol):
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# (b'', 1) is a special value in _process_write_backlog() to do
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# the SSL handshake
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self._write_backlog.append((b'', 1))
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self._loop.call_soon(self._process_write_backlog)
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self._handshake_timeout_handle = \
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self._loop.call_later(self._ssl_handshake_timeout,
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self._check_handshake_timeout)
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self._process_write_backlog()
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def _check_handshake_timeout(self):
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if self._in_handshake is True:
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@ -0,0 +1,4 @@
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Fix a race condition in SSLProtocol.connection_made() of asyncio.sslproto:
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start immediately the handshake instead of using call_soon(). Previously,
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data_received() could be called before the handshake started, causing the
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handshake to hang or fail.
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